Air quality is unhealthier-than-average for some people Thursday as winds are blowing wildfire smoke across the Northern ...

Graphs reveal how air pollution has changed since the Industrial Revolution UK cities have made significant reductions since hitting a peak in the 1960s From London's Victorian smog to the toxic ...

Although there is not yet enough data to document chronic exposure, readings taken in South County indicate cause for concern ...

The state Department of Energy and Environmental Protection (DEEP) said the air quality could be impacted by elevated ozone levels on Wednesday and Thursday. Temperatures are expected to reach the ...

Plumes of smoke from Southern California’s fires blew across Big Bear on Sept. 11, causing local air quality meters to return off-the-chart readings for particulate pollution.